jim090201 发表于 2019-10-15 08:21:40

求ASTM A335-19a法规

论坛前辈求分享 ASTM A335-19aStandardSpecification for Seamless Ferritic Alloy-Steel Pipe for High-TemperatureService

松雨霞 发表于 2019-10-15 08:21:41

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